CVE-2013-2729: Adobe Reader and Acrobat Arbitrary Integer Overflow Vulnerability CRITICAL 9.8 EXPLOITED REMOTE WATCHLIST UPGRADE UPGRADE MITIGATE
CVE-2013-2729 is a critical-severity flaw (CVSS 9.8) affecting acrobat, acrobat reader, linux enterprise desktop, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Integer overflow in Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2013-2727.
Why this priority Critical severity EPSS top 1%: very likely to be exploited Exploited in the wild (CISA KEV) Public exploit reference Remotely exploitable, no login, no user action On your watchlist A fixed release or distro patch exists.
Risk facts CVSS score 9.8 (Critical) Attack vector Network (remote) Attack complexity Low Privileges needed None User interaction None EPSS exploit chance 66.6% (top 1%) CISA exploited list Yes, fix due 2022-04-18 Weakness CWE-190 Published 2013-05-16 Last modified 2026-06-16
Share: LinkedIn · X · Reddit
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline 2013-05-16 11:45 UTC Published CVE record published2022-03-28 Exploited Added to the CISA Known Exploited Vulnerabilities list2022-04-18 Deadline CISA due date for US federal agencies to patch2026-06-16 23:53 UTC Updated Record last modifiedadobe acrobat UPGRADE
Affected: >= 9.0 and < 9.5.5 · >= 10.0 and < 10.1.7 · >= 11.0 and < 11.0.03
Fixed in: 9.5.5, 10.1.7, 11.0.03
Safe to downgrade to: a release before 9.0
1. Check installed version
Copy apt-cache policy acrobat || rpm -q acrobat || acrobat --version
2. UPGRADE to 9.5.5 (Debian / Ubuntu)
Copy sudo apt update && sudo apt install --only-upgrade acrobat
2. UPGRADE (RHEL / Amazon Linux / Fedora)
Copy sudo dnf upgrade acrobat
Note
Copy Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 9.0 (Debian / Ubuntu)
Copy apt-cache madison acrobat
sudo apt install acrobat=<VERSION_BEFORE_9.0>
sudo apt-mark hold acrobat
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
Copy dnf --showduplicates list acrobat
sudo dnf downgrade acrobat-<VERSION_BEFORE_9.0>
sudo dnf versionlock add acrobat
Downgrade risk
Copy Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Copy Restart the service, and keep the package held until a fixed release ships.
adobe acrobat reader UPGRADE
Affected: >= 9.0 and < 9.5.5 · >= 10.0 and < 10.1.7 · >= 11.0 and < 11.0.03
Fixed in: 9.5.5, 10.1.7, 11.0.03
Safe to downgrade to: a release before 9.0
1. Check installed version
Copy apt-cache policy acrobat-reader || rpm -q acrobat-reader || acrobat-reader --version
2. UPGRADE to 9.5.5 (Debian / Ubuntu)
Copy sudo apt update && sudo apt install --only-upgrade acrobat-reader
2. UPGRADE (RHEL / Amazon Linux / Fedora)
Copy sudo dnf upgrade acrobat-reader
Note
Copy Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 9.0 (Debian / Ubuntu)
Copy apt-cache madison acrobat-reader
sudo apt install acrobat-reader=<VERSION_BEFORE_9.0>
sudo apt-mark hold acrobat-reader
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
Copy dnf --showduplicates list acrobat-reader
sudo dnf downgrade acrobat-reader-<VERSION_BEFORE_9.0>
sudo dnf versionlock add acrobat-reader
Downgrade risk
Copy Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Copy Restart the service, and keep the package held until a fixed release ships.
suse linux enterprise desktop MITIGATE
Affected: 10 sp4 · 11 sp2
Fixed in: no fixed release known
Safe to downgrade to: a release before 10
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
redhat enterprise linux desktop MITIGATE
Affected: 6.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 6.0
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
redhat enterprise linux eus MITIGATE
Affected: 5.9 · 6.4
Fixed in: no fixed release known
Safe to downgrade to: a release before 5.9
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
redhat enterprise linux server MITIGATE
Affected: 6.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 6.0
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Exact fixes by distribution Show all
A distro patch exists: prefer upgrading over downgrading.
Fedora 46 · perl-Net-IDN-Encode ·
FIXED · 2.600-1.fc46 · FEDORA-2026-84eff0ea64 ·
source Copy sudo dnf upgrade --advisory=FEDORA-2026-84eff0ea64
Fedora ELN · libXISF ·
FIXED · 0.2.15-2.eln159 · FEDORA-2026-b9e2d1bda0 ·
source Copy sudo dnf upgrade --advisory=FEDORA-2026-b9e2d1bda0
Public exploits and detection Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
Quick answers How do I fix CVE-2013-2729? acrobat: upgrade to 9.5.5, 10.1.7, 11.0.03; acrobat reader: upgrade to 9.5.5, 10.1.7, 11.0.03; linux enterprise desktop: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2013-2729 being exploited? Yes. CVE-2013-2729 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.
What does CVE-2013-2729 affect? CVE-2013-2729 affects acrobat, acrobat reader, linux enterprise desktop. Severity is critical (CVSS 9.8). Integer overflow in Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2013-2727.
How urgent is CVE-2013-2729? Priority 99/100. Critical severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist
Software pages Adobe Acrobat vulnerabilities · Adobe Reader vulnerabilities
Related CVEs CVE-2026-34621 HIGH 8.6 EXPLOITED UPGRADE UPGRADE Adobe Acrobat and Reader Prototype Pollution VulnerabilityCVE-2026-34622 HIGH 8.6 UPGRADE UPGRADE Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly ConCVE-2026-34626 MEDIUM 6.3 UPGRADE UPGRADE Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly ConCVE-2026-48294 HIGH 7.4 UPGRADE Adobe Acrobat PDF Extension (Chrome) versions 26.5.2.2 and earlier are affected by a UXSS-class cross-origin dCVE-2026-47965 HIGH 7.8 UPGRADE UPGRADE Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by an out-of-bounds write vulnerabReferences ← Back to latest CVEs