CVE-2008-1761: Opera before 9.27 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary

Q: How do I fix CVE-2008-1761?

opera: upgrade to newer than 9.26. Exact commands for each OS are on this page.

Q: Is CVE-2008-1761 being exploited?

CVE-2008-1761 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2008-1761 affect?

CVE-2008-1761 affects opera. Severity is high (CVSS 9.3). Opera before 9.27 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted newsfeed source, which triggers an invalid memory access.

Q: How urgent is CVE-2008-1761?

Priority 61/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference

This week

HIGH 9.3UPGRADE

CVE-2008-1761 is a high-severity flaw (CVSS 9.3) affecting opera. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Opera before 9.27 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted newsfeed source, which triggers an invalid memory access.

Why this priority

Critical severity
EPSS top 5%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	7.6% (top 5%)
CISA exploited list	No
Weakness	CWE-399
Published	2008-04-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: opera

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

Am I affected?

Timeline

2008-04-12 20:05 UTCPublished CVE record published
2026-06-16 22:52 UTCUpdated Record last modified

opera opera UPGRADE

Affected: <= 9.26 · 9.02 · 9.10 · 9.20 · 9.21 · 9.22 · 9.23 · 9.24

Fixed in: newer than 9.26

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 9.26 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade opera

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade opera

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2008-1761?

opera: upgrade to newer than 9.26. Exact commands for each OS are on this page.

Is CVE-2008-1761 being exploited?

CVE-2008-1761 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-2008-1761 affect?

CVE-2008-1761 affects opera. Severity is high (CVSS 9.3). Opera before 9.27 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted newsfeed source, which triggers an invalid memory access.

How urgent is CVE-2008-1761?

Priority 61/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference

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References

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