CVE-2012-5195: perl
Vulnerability summary
CVE-2012-5195 is a high (CVSS 7.5) vulnerability in perl. EPSS estimates a 4.88% chance of exploitation in the next 30 days, higher than 92% of scored vulnerabilities.
Not severe (CVSS 7.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 18-12-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Heap-based buffer overflow in the Perl_repeatcpy function in util.c in Perl 5.12.x before 5.12.5, 5.14.x before 5.14.3, and 5.15.x before 15.15.5 allows context-dependent attackers to cause a denial of service (memory consumption and crash) or possibly execute arbitrary code via the 'x' string repeat operator.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
4.88%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.88% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- perl< 5.14.2-14
Perl1 product
- perl5.12.0 | 5.12.0:rc0 | 5.12.0:rc1 | 5.12.0:rc2 | 5.12.0:rc3 | 5.12.0:rc4 | 5.12.0:rc5 | 5.12.1 | 5.12.1:rc1 | 5.12.1:rc2 | 5.12.2 | 5.12.2:rc1 | 5.12.3 | 5.12.3:rc1 | 5.12.3:rc2 | 5.12.3:rc3 | 5.12.4 | 5.14.0 | 5.14.0:rc1 | 5.14.0:rc2 | 5.14.0:rc3 | 5.14.1 | 5.14.2
2 vendors · 2 products
References
17 links- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlX Refsource CONFIRM
- kb.juniper.net/InfoCenter/index?page=content&id=JSA10673X Refsource CONFIRM
- wiki.mageia.org/en/Support/Advisories/MGASA-2012-0352X Refsource CONFIRM
- perl5.git.perl.org/perl.git/commit/2709980d5a193ce6f3a16f0d19879a6560dcde44X Refsource CONFIRMPatchVendor Advisory
Show all 17 references
- kb.juniper.net/InfoCenter/index?page=content&id=JSA10705X Refsource CONFIRM
- kb.juniper.net/InfoCenter/index?page=content&id=JSA10735X Refsource CONFIRM