CVE-2011-5244: Multiple off-by-one errors in the (1) token and (2) linetoken functions in backend/dvi/mdvi-lib/afmparse.c in

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MEDIUM 6.8MITIGATEMITIGATEDOWNGRADE

CVE-2011-5244 is a medium-severity flaw (CVSS 6.8) affecting evince, t1lib, tetex. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple off-by-one errors in the (1) token and (2) linetoken functions in backend/dvi/mdvi-lib/afmparse.c in t1lib, as used in teTeX 3.0.x, GNOME evince, and possibly other products, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a DVI file containing a crafted Adobe Font Metrics (AFM) file, different vulnerabilities than CVE-2010-2642 and CVE-2011-0433.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	3.4% (top 11%)
CISA exploited list	No
Weakness	CWE-189
Published	2012-11-19
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: gnome · t1lib · tetex

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-11-19 12:10 UTCPublished CVE record published
2026-06-16 23:36 UTCUpdated Record last modified

gnome evince MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy evince || rpm -q evince || evince --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

t1lib t1lib MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy t1lib || rpm -q t1lib || t1lib --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

tetex tetex DOWNGRADE

Affected: 3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

1. Check installed version

apt-cache policy tetex || rpm -q tetex || tetex --version

2. No fixed release: DOWNGRADE to a release before 3.0 (Debian / Ubuntu)

apt-cache madison tetex sudo apt install tetex=<VERSION_BEFORE_3.0> sudo apt-mark hold tetex

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list tetex sudo dnf downgrade tetex-<VERSION_BEFORE_3.0> sudo dnf versionlock add tetex

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2011-5244?

evince: mitigate or apply the listed mitigation; t1lib: mitigate or apply the listed mitigation; tetex: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2011-5244 being exploited?

CVE-2011-5244 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2011-5244 affect?

CVE-2011-5244 affects evince, t1lib, tetex. Severity is medium (CVSS 6.8). Multiple off-by-one errors in the (1) token and (2) linetoken functions in backend/dvi/mdvi-lib/afmparse.c in t1lib, as used in teTeX 3.0.x, GNOME evince, and possibly other products, allow remote attackers to cause a denial of service (cra

How urgent is CVE-2011-5244?

Priority 46/100. No elevated risk signals yet.

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References

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